Home / 76,992,002.40-115,488,003.60-23,139,314.40

Finding the Fourth Proportional to 76,992,002.40, 115,488,003.60 and 23,139,314.40

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Solution

The fourth proportional to 76,992,002.40, 115,488,003.60 and 23,139,314.40 is: 34,708,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,992,002.40 : 115,488,003.60 = 23,139,314.40 : x
  2. Step 2: Convert to fraction form
    76,992,002.40/115,488,003.60 = 23,139,314.40/x
  3. Step 3: Cross multiply
    76,992,002.40x = 115,488,003.60 × 23,139,314.40
  4. Step 4: Simplify right side
    76,992,002.40x = 2,672,313,224,728,731.50
  5. Step 5: Solve for x
    x = 2,672,313,224,728,731.50/76,992,002.40
  6. Step 6: Final answer
    x = 34,708,971.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.